Home / 13,012.66-19,540.44-11,383.18

Finding the Fourth Proportional to 13,012.66, 19,540.44 and 11,383.18

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Solution

The fourth proportional to 13,012.66, 19,540.44 and 11,383.18 is: 17,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.66 : 19,540.44 = 11,383.18 : x
  2. Step 2: Convert to fraction form
    13,012.66/19,540.44 = 11,383.18/x
  3. Step 3: Cross multiply
    13,012.66x = 19,540.44 × 11,383.18
  4. Step 4: Simplify right side
    13,012.66x = 222,432,345.80
  5. Step 5: Solve for x
    x = 222,432,345.80/13,012.66
  6. Step 6: Final answer
    x = 17,093.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.